US2562954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: Specialties Development Corp
•
Filing: 1947-02-26
•
Granted: 1951-08-07
•
Expires: 1967-02-26
Abstract
No abstract record available.
Inventors
- 👤 Albertus E Schmidlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:01
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/04; F04B27/0404; F04B27/0428; F04B25/00; F04B27/053; F04B39/00; F04B39/10; F04B39/102; F04B39/1033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB492463A
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US2178662A
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US2176300A
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US2236853A
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US2417197A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |